A parent calls minutes after their 10-year-old's maxillary right central incisor (1.1) was knocked out and says they are unable to replant it. Which storage medium is most appropriate for transporting the tooth?

  • Correct answer

    Milk

  • Tap water

  • Wrapped dry in a tissue

  • Chlorhexidine mouthrinse

This question is one of 15 in AFK practice: Orthodontics, pediatric and geriatric dentistry. Test yourself on all of them.

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Explanations

  • Milk is a readily available, physiologically compatible medium that helps keep periodontal ligament cells viable. Tap water is hypotonic and causes rapid cell lysis, and dry storage kills the ligament cells.

    Source: IADT Guidelines for the Management of Traumatic Dental Injuries (2020) — oneguy

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